CBSE BOARD X, asked by Anonymous, 1 year ago

a piece of wire of resistance 20 ohm is drawn out so that its length is increased to twice its original length calculate the resistance in new situation?

Answers

Answered by Vaish720

2

total resistance is 80ohm

Attachments:

Anonymous: whoa note 6 pro

Anonymous: how did you come to the conclusion that area will be halfed

Vaish720: since volume is constant and length gets doubled so area will be halved

Anonymous: correct dude

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